20165990507

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 23661590400

約数和(自身を除く): 3495599893

約数列:

[1, 13, 29, 41, 89, 107, 137, 377, 533, 1157, 1189, 1391, 1781, 2581, 3103, 3649, 3973, 4387, 5617, 9523, 12193, 14659, 15457, 33553, 40339, 47437, 51649, 57031, 73021, 105821, 123799, 127223, 158509, 162893, 190567, 276167, 353597, 390443, 425111, 499913, 601019, 1304651, 1375673, 1653899, 2117609, 3590171, 4596761, 5075759, 5526443, 6498869, 7813247, 11322847, 14497477, 16960463, 17429551, 37834879, 53490691, 147197011, 188467201, 226584163, 491853427, 695378983, 1551230039, 20165990507]

約数ペア:

[(1, 20165990507), (13, 1551230039), (29, 695378983), (41, 491853427), (89, 226584163), (107, 188467201), (137, 147197011), (377, 53490691), (533, 37834879), (1157, 17429551), (1189, 16960463), (1391, 14497477), (1781, 11322847), (2581, 7813247), (3103, 6498869), (3649, 5526443), (3973, 5075759), (4387, 4596761), (5617, 3590171), (9523, 2117609), (12193, 1653899), (14659, 1375673), (15457, 1304651), (33553, 601019), (40339, 499913), (47437, 425111), (51649, 390443), (57031, 353597), (73021, 276167), (105821, 190567), (123799, 162893), (127223, 158509)]